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Viewing page 9 out of 13 pages
Viewing questions 121-135 out of questions
Questions # 121:

Click the exhibit.

Question # 121

All sites in the displayed network require Internet access. Route reflector 1(RR1) is used for Internet routes only and route reflector 2(RR2) is used for VPN routes only. Which of the following is FALSE?

Options:
A.

BGP sessions between RR1 and PE routers support only the IPv4 address family.

B.

BGP sessions between RR2 and PE routers support only the VPN-IPv4 address family.

C.

RR2 establishes BGP sessions with PEL PE2 and PE3.

D.

RR1 establishes BGP sessions only with PE1 and PE2.

Questions # 122:

Which of the following about BGP loops in a VPRN environment is TRUE?

Options:
A.

Traditional BGP loop detection mechanisms are unable to detect a loop in a VPRN scenario.

B.

BGP loops are detected in a VPRN when the customer has separate sites using the same BGP autonomous system number.

C.

The Alcatel-Lucent 7750 SR rejects routes containing AS_PATH loops by default.

D.

When "remove-private" is configured at a PE, all routes received from the associated CE will have private AS numbers removed.

Questions # 123:

Which of the following about BGP Site of Origin (SoO) is FALSE?

Options:
A.

The SoO attribute can be used to uniquely identify the site from which a PE learns routes.

B.

Before a PE redistributes a VPN-IPv4 route, it can assign an SoO attribute to the route.

C.

The SoO attribute can be used to prevent loops from a single site with multiple CE-PE connections.

D.

The SoO attribute can be used as matching criteria when redistributing routes from the CE to the PE.

Questions # 124:

Which of the following about a full mesh VPRN is FALSE?

Options:
A.

Dual CEs connected to redundant PEs can provide redundancy within a single site.

B.

Site redundancy can be achieved by dual homing a single CE to one or more PEs.

C.

Provider core LSPs can be LDP-based or RSVP-based.

D.

The provider core maintains a full mesh of LSP tunnels and MP-BGP sessions between all P devices.

Questions # 125:

Which of the following statements best describes the output from an Alcatel-Lucent 7750 SR shown below?

Options:
A.

This is the base routing table from CE-1

B.

This is the base routing table from PE-1

C.

This is the customer vrf from CE-1

D.

This is the customer vrf from PE-1D.This is the customer vrf from PE-1

E.

This is the customer vrf from PE-2E.This is the customer vrf from PE-2E.This is the customer vrf from PE-2

F.

This is the base routing table from PE-2F.This is the base routing table from PE-2F.This is the base routing table from PE-2

G.

This is the base routing table from CE-2G.This is the base routing table from CE-2G.This is the base routing table from CE-2

Questions # 126:

Click the exhibit.

Question # 126

Internet access using route leaking between the VRF and the global routing table is configured in the network. Which of the following is the correct output of route 192.168.50.1 in the global routing table of PE3?

Options:
A.

A

B.

B

C.

C

D.

D

Questions # 127:

Click the exhibit.

Question # 127

Which of the following statements about the implementation of the CE hub and spoke topology is FALSE?

Options:
A.

PE1 advertises spoke routes to CE1.

B.

The primary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.

C.

The secondary VRF on PE1 contains routes learned from the spoke sites.

D.

Spoke sites do not learn routes from other spoke sites directly.

Questions # 128:

Click the exhibit.

Question # 128

The headquarter sites of VPRN 10 and VPRN 20 are part of an extranet VPRN. Which route targets should be exported under the VPRN 20 service on router R1?

Options:
A.

Target:65100:2 and target:65100:3

B.

Target:65100:1 and target:65100:2

C.

Target:65100:1 and target:65100:3

D.

Target:65100:1, target:65100:2 and target:65100:3

Questions # 129:

Click the exhibit.

Question # 129

For the inter-AS model C VPRN, which of the following statements about a data packet sent from CE1 toCE2isTRUE?

Options:
A.

PE1 sends the data packet with three labels: the bottom label is a service label, the middle label is a BGP label, and the top label is an LDP label.

B.

ASBR1 sends the data packet with one label: the BGP label.

C.

ASBR1 sends the data packet with one label: the service label.

D.

ASBR2 sends the data packet with three labels: the bottom label is a service label, the middle label is a BGP label, and the top label is an LDP label.

Questions # 130:

When does a router add a Route Target to a route?

Options:
A.

When the P receives the route from the PE.

B.

When the PE populates the route received from the CE into the VRF.

C.

When the PE propagates the route to the CE.

D.

When the PE exports the route from the VRF into the MP-BGP table.

Questions # 131:

Click the exhibit.

Question # 131

For the inter-AS model A VPRN, which of the following is FALSE when CE2 sends an IP packet to 192.168.1.1?

Options:
A.

CE2 forwards an unlabeled IP packet to PE2 via the VPRN interface.

B.

PE2 pushes two labels on the IP packet and label-switches the packet to ASBR2.

C.

ASBR2 pops one label from the IP packet and label-switches it to ASBR1.

D.

ASBR1 pushes two labels on the IP packet and label-switches the packet to PEL.

Questions # 132:

In a provider core consisting of 6 PE and 4 P routers, what is the minimum number of BGP sessions required in total for correct operation of VPRN services?

Options:
A.

0

B.

5

C.

10

D.

15

E.

45

Questions # 133:

For Carrier Supporting Carrier (CSC) VPRN, which of the following is NOT applicable to both types of customer carriers: BGP/MPLS service providers and Internet service providers?

Options:
A.

eBGP is used for route and label exchange between CSC-CE and CSC-PE routers.

B.

iBGP can be used to distribute routes between CSC-CE and PE routers.

C.

MP-iBGP is used to advertise routes between the CSC-PE routers.

D.

MP-iBGP is used to advertise end-customer and Internet routes directly between the PE routers.

Questions # 134:

Click the exhibit.

Question # 134

For the inter-AS model B VPRN, which of the following is TRUE when CE2 sends an IP packet to 192.168.1.1?

Options:
A.

PE2 pushes one label on the IP packet and forwards it to ASBR2.

B.

ASBR2 sends the IP packet with one label to ASBR1.

C.

ASBR1 sends the IP packet with one label to PEL

D.

PE1 pops one label off the IP packet and forwards it to CE1.

Questions # 135:

Click the exhibit.

Question # 135

The headquarter sites of VPRN 10 and VPRN 20 ate part of an extranet VPRN. Which of the following communities are included in the export policy applied to VPRN 10 on router R1?

Options:
A.

"Extranet-VPN-Blue" and "Extranet-VPN-Green"

B.

"Blue-Only"

C.

"Extranet-VPN-Blue"

D.

"Blue-Green"

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Viewing questions 121-135 out of questions